2. DE^^)EOBATES. 143 



Ilylaplesia tinctoria, Boie, Isk, 1827, p. 294; Tschudi, Batr. p. 70. 

 DeiidroLates histrionicus, Berth, Gotting. Nachr. 18-45, p. 43, and 



AhhamU. p. 15, pi. 1. f. 8. 

 riiyllobates auratiis, Girard, U.S. Astron. Kvped. ii. p. 209. 

 Hylaplesia aurata, Cope, Proc. Ac. PJdlad. 18(33, p. 49. 

 P%llobates cliocoeusis, Posada Arango, Rev. et Mag. Zool. 1873, 



pi. 27. 



Snout truncate, longer than the diameter of the eye ; loreal 

 region vertical ; iuterorbital space broader than the ujiper eyelid ; 

 tympanum more or less distinct, about half the diameter of the eye. 

 First finger not extending so far as second ; disks of fingers large, 

 truncate, of toes smaller; subarticular tubercles not very distinct ; 

 two scarcely distinct metatarsal tubercles ; sometimes a rather 

 indistinct tubercle on the middle of the tarsus. The hind limb 

 being carried forwards along the body, the tarso-metatarsal articula- 

 tion reaches between the eye and tlie tip of the snout. Skin 

 smooth. Hale with a subgular vocal sac. 



Tropical America. 



The foUowiug specimens may be divided into five varieties of 

 coloration : — 



A. Uniform black. 



a-d, e. c? $ . Panama. INIadame Pfeiffer [C.]. 



f,g. (S . Sautarem. Mr. Wickham [0.]. 



B. Upper surfaces uniform grey ; sides and inferior surfaces 

 uniform black. 



h, i. 6 2- Tara. R. Graham, Esq. [P.]. 



k. $. Para. 



C. Grey, with large black blotches. 



/. (S . Isthmus of Darieu. Zool Soc. 



D. Above black, with two or three white (or pink) longitudinal 

 stripes, sometimes one or two cross streaks between; beneath 

 grey, black-spotted. 



m. 2 . Cayenne. 



n. Yg. Para. E. Graham, Esq. [P.]. 



o-p, q-r. Yg. Sarayacu, Ecuador. Mr. Buckley [C.]. 



E. Elack ; above with white stripes and spots; beneath spotted 

 or marbled with white. 



«. Ilgr. Santarem. Mr. Wickham [C.]. 



t-u. Yg. Cavaria. W. Davis [C.j. Messrs. Veitcb 



[P.]. 



2. Dendrobates typographus. 



Pendrobates typograpluis, Keferst. Giitting. Kachr. 1867, p. 3G0, and 

 Arch.f. Xaturg. 18G8, p. 21)8, pi. 9. f. 7 ; Cvjye, Journ. Ac. Philad. 

 (n. s.) viii. part 2, p. 102. 



iguitus, Cupe, Proc. Ac. P/iihid. 1874, p. G8. 



Snout obtuse ; canthus rostralis rounded. Tympanum verj- small. 



